(Dixon, IL) — The police officer who stopped the school shooting suspect in Dixon, Illinois, says his training helped him when he needed it the most. Dixon Police Officer Mark Dallas told the “Today Show” Thursday that he told himself he wasn’t going to let Matthew Milby get away. Dallas and Milby reportedly exchanged gunfire on May 16th after police say Milby brought a rifle to school. Dallas told the “Today Show” that his training came back and he reacted automatically at the moment.